<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }
        .box {
            width: 100px;
            height: 100px;
            border: 1px solid green;
            background-color: green;
            /* 添加绑定动画 */
            animation: move 5s ease infinite;
        }
        @keyframes move {
            0% {
                transform: translate(0px,0px);
            }
            25% {
                transform: translate(500px,0px);
            }
            50% {
                transform: translate(500px,500px);
            }
            75% {
                transform: translate(0px,500px);
            }
            100% {
                transform: translate(0px,0px);
            }
          
        }

    </style>
</head>
<body>
    <div class="box"></div>
</body>
</html>

